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authorDavid Robillard <d@drobilla.net>2006-06-10 01:52:02 +0000
committerDavid Robillard <d@drobilla.net>2006-06-10 01:52:02 +0000
commit98fe0e7056e6697396249531785d3899f94d79be (patch)
tree233319008d4bfb6c8bdc546bdf4a81b87ecf7f3a /src/libs/engine/BridgeNode.h
parent6c8eaee73b0ea66216744f49b452e22e26fe83e1 (diff)
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More juggling
git-svn-id: http://svn.drobilla.net/lad/grauph@15 a436a847-0d15-0410-975c-d299462d15a1
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+/* This file is part of Om. Copyright (C) 2006 Dave Robillard.
+ *
+ * Om is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any later
+ * version.
+ *
+ * Om is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef BRIDGENODE_H
+#define BRIDGENODE_H
+
+#include <string>
+#include "InternalNode.h"
+#include "PortBase.h"
+using std::string;
+
+template <typename T> class ListNode;
+
+namespace Om {
+
+class DriverPort;
+namespace Shared {
+ class ClientInterface;
+} using Shared::ClientInterface;
+
+
+/** A Node to represent input/output Ports on a Patch.
+ *
+ * This node acts as both a Node and a Port (it is the only Node type that
+ * returns non-null for as_port()). The node is a normal Node in a Patch,
+ * the Port is a Port on that Patch (port->parent == node->parent).
+ *
+ * This class handles all DriverPort functionality as well (if this Node
+ * is on a top level Patch).
+ *
+ * Both input and output nodes are handled in this class.
+ *
+ * This node will force itself to monophonic (regardless of the poly parameter
+ * passed to constructor) if the parent of the patch it's representing a port
+ * on has a different polyphony than the patch (since connecting mismatched
+ * polyphonies is impossible).
+ *
+ * \ingroup engine
+ */
+template <typename T>
+class BridgeNode : public InternalNode
+{
+public:
+ virtual ~BridgeNode();
+
+ Port* as_port() { return m_external_port; }
+
+ void activate();
+ void deactivate();
+ void add_to_patch();
+ void remove_from_patch();
+ //void send_creation_messages(ClientInterface* client) const;
+
+ void set_path(const Path& new_path);
+
+protected:
+ // Disallow copies (undefined)
+ BridgeNode(const BridgeNode&);
+ BridgeNode& operator=(const BridgeNode&);
+
+ BridgeNode(const string& path, size_t poly, Patch* parent, samplerate srate, size_t buffer_size);
+
+ /** Driver port, used if this is on a top level Patch */
+ DriverPort* m_driver_port;
+
+ ListNode<InternalNode*>* m_listnode;
+
+ PortBase<T>* m_external_port;
+};
+
+
+template class BridgeNode<sample>;
+template class BridgeNode<MidiMessage>;
+
+} // namespace Om
+
+#endif // BRIDGENODE_H